SOLUTION: for problems 7-9 solve the system of equations using addition to eliminate one variable. if the system has no solution indicate that it is inconsistent. if it has infinite solution

Question 248716: for problems 7-9 solve the system of equations using addition to eliminate one variable. if the system has no solution indicate that it is inconsistent. if it has infinite solutions, indicate that it is dependent. if the system check your answer.
3x-2y=-14
3x+5y=-14
check if possible
Answer by dabanfield(803) (Show Source): You can put this solution on YOUR website!
3x-2y=-14
3x+5y=-14
Subtract the terms of the two equations:
(3-3)*x + (-2-5)*y = -14 - (-14)
0*x -7*y = 0
-7y = 0
y = 0
Substitute y=0 in the first equation:
3*x - 2*0 = -14
3*x = -14
x = -14/3
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